Java发送电子邮件，非法分号，不在字符串组中

编程问答 2022-05-29

问题描述

我在向收件人列表发送电子邮件时遇到问题。

这是例外。

javax.mail.internet.AddressException: Illegal semicolon,not in group in string ``[email protected];[email protected]'' at position 23
at javax.mail.internet.InternetAddress.parse(InternetAddress.java:1021)
at javax.mail.internet.InternetAddress.parse(InternetAddress.java:728)
at javax.mail.internet.InternetAddress.parse(InternetAddress.java:705)
at org.springframework.mail.javamail.MimeMessageHelper.parseAddress(MimeMessageHelper.java:735)
at org.springframework.mail.javamail.MimeMessageHelper.setTo(MimeMessageHelper.java:614)
at com.vyzor.emailmanager.service.impl.EmailServiceImpl.sendEmail(EmailServiceImpl.java:166)
at com.vyzor.emailmanager.restapi.EmailController.sendEmail(EmailController.java:56)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

这是我发送电子邮件的方法。

public Email sendEmail(Email email){

    JavaMailSenderImpl javaMailSender = new JavaMailSenderImpl();
    
    List<EmailConfig> emailConfigs = emailConfigRepository.findAllByClientWebId(email.getClient().getWebId());
    
    EmailConfig emailConfig;
    
    if (emailConfigs.iterator().hasNext()){
        emailConfig = emailConfigs.iterator().next();
    }else{
        throw new ResourceNotFoundException(HttpStatus.NOT_FOUND.getReasonPhrase());
    }
    
    javaMailSender.setHost(emailConfig.getHostName());
    javaMailSender.setPort(emailConfig.getPortNo());
    javaMailSender.setUsername(emailConfig.getEmail());
    javaMailSender.setPassword(emailConfig.getpassword());

    Properties javaMailProperties = new Properties();
    javaMailProperties.put("mail.smtp.starttls.enable","true");
    javaMailProperties.put("mail.smtp.auth","true");
    javaMailProperties.put("mail.transport.protocol","smtp");
    javaMailProperties.put("mail.debug","true");
    
    try{

        MimeMessage message = javaMailSender.createMimeMessage();
        MimeMessageHelper helper = new MimeMessageHelper(message,true);
        helper.setFrom(email.getFromEmail());

        String recipients = email.getEmailRecipient().stream()
            .map(EmailRecipient::getEmailAddress)
            .collect( Collectors.joining( ";" ) );

        helper.setTo(recipients);               // I am having issue here
        helper.setSubject(email.getSubject());
        helper.setText(email.getBody());
        
        javaMailSender.setJavaMailProperties(javaMailProperties);
        javaMailSender.send(message);
    }catch (Exception exception){
        exception.printstacktrace();
        email.setStatus(EmailStatus.Failed);
        return null;
    }
    
    return email;
}

我也尝试过逗号分隔，但异常仍然存在。如果我尝试使用一个硬编码的电子邮件地址，它就可以正常工作。

将不胜感激。

解决方法

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